7H-Oxazolo[5,4-e]indazole CAS 21274-69-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21274-69-1 |
| Molecular Formula | C8H5N3O |
| Molecular Weight | 159.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7H-Oxazolo[5,4-e]indazole (CAS 21274-69-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H5N3O. Molecular weight: 159.14 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H5N3O |
| Molecular Weight | 159.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
Related H Standards
- 2H-Oxazolo[4,5-g]indazole (CAS 21274-68-0)
- 2H-Oxazolo[5,4-e]indazole (CAS 42318-51-4)
- 2H-Oxazolo[5,4-g]indole (CAS 117025-06-6)
- 2H-Oxazolo[4,5-e]indole (CAS 77482-56-5)
- 2H-Oxazolo[4,5-e]isoindole (CAS 42540-48-7)
- 2H-Oxazolo[4,5-f]indole (CAS 70814-40-3)
- 2H-Oxazolo[4,5-f]isoindole (CAS 42394-83-2)
- 2H-Oxazolo[5,4-e]indole (CAS 70814-39-0)
Recommended Standards
- 6-Hydroxybenzofuran-2-carbonitrile (CAS 53020-44-3)
- 7-Hydroxybenzofuran-2-carbonitrile (CAS 53020-47-6)
- 6-Cyanophthalide (CAS 89877-62-3)
- 4,5-diiodo-2-methyl-triazole (CAS 859790-39-9)
- Methyl 3,4-difluoro-2-nitrobenzoate (CAS 1806289-65-5)
- 1-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-methylpyrimidin-2(1H)-one (CAS 22003-31-2)
- Magaldrate (200 mg) (PLANNED TO BE DISCONTINUED) (CAS 74978-16-8)
- (R)-3-amino-2-(4-methoxybenzyl)propanoic acid (CAS 1260616-67-8)
- Tazobactam Impurity 11 (CAS CATO-C4X-120511)
- D-Lys16-Tirzepatide (CAS CATO-CPTD788918)
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